Engineering Board Exam Reviewer · Thermodynamics · medium
Wet steam at 100 kPa has an enthalpy of 2000 kJ/kg. If hf = 417.46 kJ/kg and h fg = 2258.0 kJ/kg, what is its quality?
- 88.57%
- 74.75%
- 70.09%
- 29.91%
Answer
C. 70.09%
Solution
x = (h - hf)/h fg = (2000 - 417.46)/2258.0 = 0.7009 = 70.09%.
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